title: Giant congenital malformation of the perirectal plexus in computed tomography imaging - case report.
abstract: BACKGROUND
  Congenital arteriovenous malformation (AVM) in the pelvic area is uncommon in males.
  
  
  METHODS
  The described case is of a giant lesion of this type that caused recurrent hemorrhaging in the lower part of the gastrointestinal tract. Preliminary diagnosis of vascular pathology was made on the basis of an endoscopic examination that revealed numerous pulsating protuberances of the rectal wall, in which blood flow was identified by means of transrectal ultrasonography. Complementing the diagnostics with a CT revealed a considerable extent of malformation, as well as its morphology and anatomical relations with the surrounding tissues.
  
  
  RESULTS
  Following a two-year follow-up period, the malformation did not progress or demonstrate any intensification of clinical symptoms, therefore the patient continues to undergo conservative treatment.
authors.affiliation: Department of Clinical Radiology and Imaging Diagnostics, 4 Military Hospital in Wrocław, Wrocław, Poland.
authors.forename: Bartłomiej
authors.initials: B
authors.lastname: Kędzierski
authors.forename: Grzegorz
authors.initials: G
authors.lastname: Nowak
authors.forename: Małgorzata
authors.initials: M
authors.lastname: Kuśmierska
authors.forename: Przemysław
authors.initials: P
authors.lastname: Jaźwiec
authors.forename: Andrzej
authors.initials: A
authors.lastname: Szuba
keywords: 3D reconstructions; Pelvic arteriovenous malformation (pAVM); computed tomography angiography (angio-CT); lower gastrointestinal tract bleeding; spiral computed tomography (CT)